Here is a video I made about 15 minuets after the update was released. It’s a first look into all the new things that got added into the update.
Here is a list of all the new things add:
Note Blocks (right click to tune, trigger to play)
15 wool dyes
A new water dwelling mob (Octopus)
New tree types (Birch, Pine)
Reeds magically turned into sugar canes. They still make paper.
A bunch of new crafting recipes
One secret useful block (Dispenser)
One secret pretty block (Sandstone block)
Cake
Sugar - Crafted from Sugar Cane
Default furnaces given new look
Bones added on drops (possibly only skeletons)
Bones can be crafted into Bonemeal.
New gray, light gray, and black sheep. Drop correspondingly colored wool.
Tools made out of stone are more durable.
Bugfixes:
Paintings work in multiplayer
Disconnecting while riding no longer keeps the player in the world
A bunch more state is properly synched in multiplayer
Fixed colors going weird on PowerPC
Fixed a horrible chunk reload loop in singleplayer
Fixed most lighting bugs in newly generated SMP maps
Falling sand behaves better in SMP
Fixed a few crash on load level bugs
Jack-O-Lantern now has correct tooltip.